I had just got up and was about to cook my breakfast the telephone rang loudly but it hu

问题补充：

I had just got up and was about to cook my breakfast the telephone rang loudly, but it hung up I could answer it .

A. when ; before

B. when ; as

C. as ; after

D. while ; when

答案：

(答案→)A. when ; before

B. when ; as

C. as ; after

D. while ; when

解析：考查固定句型。固定句型：be about to do sth when…正要做某事在这时…；句意：我已经起床了。正要去做早饭在这时电话响了，但是在我接电话之前，电话却挂断了。故A正确。